The spacecraft

launch "weight" (mass)	256 kg
length from its base to its cone-shaped medium-gain antenna	2.9 m
high gain antenna (HGA) diameter	2.74m (46cm deep)
the main equipment compartment depth	36 cm
hexagonal flat top and bottom sides length	71 cm
two three-rod trusses whit SNAP-19 (Space Nuclear Auxiliary Power) RTG-s (Radioisotope Thermoelectric Generators) at their ends	120 degree apart
RTG-s distance from the center of the spacecraft	3 m
each RTG-s mass	13.6 kg
third single-rod boom with magnetometer	120 degrees apart from other two
magnetometer distance from the spacecraft's center	6.6 m
magnetometer's mass	5 kg
all three booms extended after launch
velocity relative to the Sun	12,2 km/s